Reports wrong number of quotes around parameter in property value.
If parameters are present in the property value, then the value would be passed as pattern to `java.text.MessageFormat`.
This means that single quotes would be used for escaping and in order to keep a quote visible one need to double it.
'{0}'
→ {0}
''{0}''
→ '$value$'
1
is passed:
{0, choice, 0#no|#1''{0}'' file}
→{0} files
{0, choice, 0#no|#1''''{0}'''' file}
→'$number_of_files$' files